The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 05, 1988
Filed:
Jan. 23, 1987
Applicant:
Inventor:
Wayne A Mitchell, Crystal Lake, IL (US);
Assignee:
W. R. Grace & Co., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
422 15 ; 422 13 ; 210699 ; 25238923 ; 252180 ;
Abstract
A process and composition using hydroxyphosphonoacetic acid or its water-soluble salts in combination with certain copolymers, such as water-soluble 1-acrylamido-2-methylpropane sulfonic acid copolymers with acrylic acid or methacrylic acid, provide improved corrosion protection for iron based metal in contact with the system water of aqueous systems.
Mitchell, Wayne. (1988). Inhibiting corrosion of iron base metals (U.S. Patent No. 4717542). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4717542
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile